UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for SK371... Searching the city database file for: SK371 ... Date:1200Z 1 DEC 25 Station: SK371 WMO ident: 80371 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 122 SFC 988 227 22.0 21.8 99 0.2 21.9 170 4 296.2 299.2 295.4 344.8 16.87 2 972 370 24.0 21.6 86 2.4 22.3 119 7 299.6 302.7 296.4 349.1 16.94 3 934 720 24.2 19.8 76 4.4 21.1 41 16 303.2 306.1 296.6 349.9 15.75 4 925 805 23.6 20.1 81 3.5 21.1 45 20 303.4 306.4 297.0 351.6 16.22 5 850 1541 19.2 15.5 79 3.7 16.7 40 20 306.3 308.7 295.7 345.7 13.14 6 814 1912 16.2 15.0 93 1.2 15.4 34 18 306.9 309.4 296.0 346.9 13.29 7 725 2892 11.6 5.6 67 6.0 8.0 26 12 312.2 313.7 293.5 336.6 7.89 8 710 3067 10.0 8.2 89 1.8 8.9 11 11 312.3 314.1 294.8 342.1 9.66 9 702 3161 10.4 5.4 71 5.0 7.4 350 7 313.7 315.3 294.0 338.8 8.04 10 700 3185 10.2 5.4 72 4.8 7.3 345 6 313.8 315.3 294.0 338.9 8.06 11 596 4507 2.0 0.9 92 1.1 1.4 310 5 319.0 320.4 294.6 341.0 6.87 12 564 4951 -0.3 -1.8 90 1.5 -1.1 299 7 321.4 322.6 294.5 340.7 5.96 13 544 5240 -1.3 -3.6 84 2.3 -2.5 292 8 323.6 324.6 294.6 341.2 5.40 14 533 5404 -1.9 -7.9 63 6.0 -4.7 288 9 324.7 325.5 293.8 337.9 3.96 15 525 5524 -2.9 -6.3 77 3.4 -4.6 285 9 324.9 325.8 294.3 340.0 4.55 16 518 5631 -3.1 -15.1 39 12.0 -7.8 282 10 325.9 326.4 292.7 333.7 2.28 17 506 5816 -4.9 -9.4 71 4.5 -6.9 277 11 326.0 326.7 293.9 338.4 3.71 18 501 5894 -5.3 -14.3 49 9.0 -8.8 275 11 326.4 326.9 293.0 335.0 2.52 19 500 5910 -5.3 -13.3 53 8.0 -8.5 275 11 326.6 327.1 293.3 335.9 2.74 20 494 6004 -5.5 -11.5 63 6.0 -8.1 275 12 327.5 328.1 293.9 338.3 3.21 21 492 6036 -5.3 -18.3 35 13.0 -9.9 275 12 328.1 328.5 292.9 334.5 1.84 22 490 6068 -5.5 -17.5 38 12.0 -9.9 275 13 328.2 328.6 293.1 335.1 1.97 23 454 6659 -9.9 -13.9 73 4.0 -11.5 330 12 330.0 330.5 294.3 339.8 2.88 24 431 7056 -12.5 -19.5 56 7.0 -14.8 48 1 331.6 332.0 293.9 338.2 1.89 25 410 7435 -15.3 -17.9 80 2.6 -16.2 76 4 332.7 333.2 294.5 340.7 2.28 26 400 7620 -16.5 -20.1 74 3.6 -17.6 90 5 333.5 333.9 294.4 340.4 1.94 27 316 9357 -28.9 -40.9 31 12.0 -30.5 155 11 339.6 339.6 294.6 340.9 0.34 28 311 9472 -28.5 -47.5 14 19.0 -30.6 159 11 341.7 341.7 294.9 342.4 0.17 29 300 9730 -30.9 -47.9 17 17.0 -32.6 215 12 341.8 341.9 294.9 342.5 0.17 30 264 10619 -38.5 -59.5 9 21.0 -39.6 253 17 343.4 343.4 295.2 343.6 0.05 31 250 10990 -41.7 -60.7 11 19.0 -42.5 275 14 344.1 344.1 295.3 344.3 0.04 32 225 11693 -48.1 -61.1 21 13.0 -48.5 265 15 344.8 344.8 295.5 345.0 0.05 33 223 11752 -48.3 -57.3 35 9.0 -48.6 264 16 345.4 345.4 295.7 345.7 0.07 34 221 11811 -48.1 -65.1 12 17.0 -48.6 262 16 346.6 346.6 295.9 346.7 0.03 35 215 11991 -49.5 -67.5 10 18.0 -50.0 268 16 347.1 347.1 296.0 347.2 0.02 36 200 12460 -53.5 -69.5 13 16.0 -53.8 265 26 348.0 348.0 296.2 348.1 0.02 37 158 13934 -64.9 -74.9 24 10.0 -65.0 249 21 353.0 353.0 297.3 353.0 0.01 38 150 14250 -66.1 -77.1 20 11.0 -66.2 250 25 356.2 356.2 298.0 356.2 0.01 39 113 15925 -76.5 -86.5 19 10.0 -76.5 260 41 366.9 366.9 300.0 366.9 0.00 40 112 15976 -76.5 -85.5 23 9.0 -76.5 261 42 367.8 367.8 300.2 367.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 568.17 mb = 4893.25 m = 16053.79 ft Wetbulb zero: 578.22 mb = 4750.61 m = 15585.80 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 80.27 % Est. max temperature: 32.26 C = 90.08 F Sfc-Lift cond lev (LCL): 985.64 mb = 248.17 m = 814.20 ft T: 22.29 C 700-500 lapse rate: 5.69 C/km ThetaE index: 10.28 C Layer 725.0- 710.0 mb Conv cond level (CCL): 840.58 mb = 1636.59 m = 5369.32 ft Mean mixing ratio: 16.05 g/kg Conv temperature: 32.22 C = 89.99 F Cap Strength: 2.41 C Lifted Index: -2.16 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.27 C Lifted Index @700 mb: -0.25 C Showalter Index: -0.75 C Risk: Thunderstorms probable Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.80 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 237.00 Risk: None Energy Index: -1.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 844.33 J/kg Max Up Vert Vel: 41.09 m/s Conv Inhibition (B-): 62.46 J/kg Cap Strength: 2.41 C Lift Cond Lev (LCL): 894.59 mb = 1095.98 m = 3595.69 ft Lev Free Conv (LFC): 779.59 mb = 2277.54 m = 7472.15 ft Equ Level (EL): 189.59 mb = 12794.41 m = 41975.90 ft B at Equ Level: 843.08 J/kg Wind level data Storm motion: 37 at 8 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 988 227 170 4 -0.7 3.9 | 202 11 4.3 10.6 1 946 610 35 11 -6.3 -9.0 | 29 3 -1.3 -2.4 2 925 805 45 20 -14.1 -14.1 | 51 12 -9.1 -7.5 3 913 914 40 24 -15.4 -18.4 | 42 16 -10.4 -11.8 4 850 1541 40 20 -12.9 -15.3 | 42 12 -7.9 -8.7 5 793 2134 30 16 -8.0 -13.9 | 23 8 -3.0 -7.2 6 765 2438 25 13 -5.5 -11.8 | 6 5 -0.5 -5.2 7 737 2743 35 12 -6.9 -9.8 | 31 4 -1.9 -3.2 8 711 3048 15 12 -3.1 -11.6 | 339 5 1.9 -5.0 9 700 3185 345 6 1.6 -5.8 | 263 7 6.5 0.8 10 686 3353 300 5 4.3 -2.5 | 246 10 9.3 4.1 11 612 4267 315 4 2.8 -2.8 | 244 9 7.8 3.8 12 500 5910 275 11 11.0 -1.0 | 250 17 16.0 5.7 13 488 6096 275 13 13.0 -1.1 | 253 19 17.9 5.5 14 469 6401 330 11 5.5 -9.5 | 285 11 10.5 -2.9 15 451 6706 330 12 6.0 -10.4 | 289 12 11.0 -3.8 16 433 7010 45 1 -0.7 -0.7 | 216 7 4.3 5.9 17 400 7620 90 5 -5.0 0.0 | 180 7 -0.0 6.6 18 368 8230 120 10 -8.7 5.0 | 162 12 -3.7 11.6 19 353 8534 110 14 -13.2 4.8 | 144 14 -8.2 11.4 20 339 8839 155 10 -4.2 9.1 | 183 16 0.8 15.7 21 312 9449 155 11 -4.6 10.0 | 181 17 0.3 16.6 22 300 9730 215 12 6.9 9.8 | 216 20 11.9 16.5 23 299 9754 215 13 7.5 10.6 | 216 21 12.4 17.3 24 262 10668 255 17 16.4 4.4 | 243 24 21.4 11.0 25 250 10990 275 14 13.9 -1.2 | 254 20 18.9 5.4 26 239 11278 275 14 13.9 -1.2 | 254 20 18.9 5.4 27 218 11887 260 16 15.8 2.8 | 246 23 20.7 9.4 28 208 12192 285 15 14.5 -3.9 | 262 20 19.5 2.7 29 200 12460 265 26 25.9 2.3 | 254 32 30.9 8.9 30 180 13106 260 31 30.5 5.4 | 251 37 35.5 12.0 31 163 13716 270 24 24.0 -0.0 | 257 30 29.0 6.6 32 156 14021 240 20 17.3 10.0 | 233 28 22.3 16.6 33 150 14250 250 25 23.5 8.6 | 242 32 28.5 15.2 34 141 14630 250 23 21.6 7.9 | 241 30 26.6 14.5 35 127 15240 245 34 30.8 14.4 | 240 42 35.8 21.0 36 108 16154 265 44 43.8 3.8 | 258 50 48.8 10.5 Wind Parameters Mean winds (0-6000m): 7.0 at 11.1 knts Storm direction: 37.0 at 8.3 knts Shear (0-3000m) pos: 0.6 neg: 2.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 56.8 deg Storm rel helicity (0-3000m) pos: 5.7 neg: -62.4 tot: -56.7 m^2/s^2 ave: -18.9 10^-3 m/s^2 rel: -0.54 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -5.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 128.65 Bulk Shear: 6.56 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 46 9 107 2| 0.0 19.7 19.7| 1.6 -28.6 -27.1 -54.1 -0.66| 25.5-16.8 1000 42 15 48 7| 0.0 12.7 12.7| 3.4 -35.0 -31.5 -31.5 -0.50| 17.8 -8.9 1500 41 17 45 9| 0.0 7.4 7.4| 3.6 -38.0 -34.4 -22.9 -0.48| 13.1 -6.3 2000 39 17 41 9| 0.0 4.7 4.7| 3.6 -44.5 -40.8 -20.4 -0.49| 11.0 -5.4 2500 37 16 38 8| 0.7 3.8 4.5| 5.7 -46.5 -40.8 -16.3 -0.44| 9.7 -4.2 3000 35 15 33 7| 0.6 2.2 2.8| 5.7 -62.4 -56.7 -18.9 -0.54| 10.3 -5.6 4000 29 13 14 5| 0.4 1.4 1.8| 5.7 -67.8 -62.2 -15.5 -0.54| 8.3 -4.5 5000 21 11 347 4| 0.3 1.4 1.7| 9.9 -67.8 -57.9 -11.6 -0.48| 7.1 -3.4 6000 7 11 320 6| 0.1 1.2 1.3| 32.3 -71.2 -38.9 -6.5 -0.37| 6.8 -2.5 Wrote GIF file: /home/apache/climate/data/raob//SK371/skewt/SK371.skewt.20251201.12.gif